Home / 42,559.43-63,828.89-18,853.88

Finding the Fourth Proportional to 42,559.43, 63,828.89 and 18,853.88

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Solution

The fourth proportional to 42,559.43, 63,828.89 and 18,853.88 is: 28,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,559.43 : 63,828.89 = 18,853.88 : x
  2. Step 2: Convert to fraction form
    42,559.43/63,828.89 = 18,853.88/x
  3. Step 3: Cross multiply
    42,559.43x = 63,828.89 × 18,853.88
  4. Step 4: Simplify right side
    42,559.43x = 1,203,421,819.18
  5. Step 5: Solve for x
    x = 1,203,421,819.18/42,559.43
  6. Step 6: Final answer
    x = 28,276.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.